interface lady {
  uname: string;
  age: number;
}
let gem: lady = {
  uname: "邓紫棋",
  age: 18,
};
let body: any = document.body;
body.innerHTML = "我是:" + gem.uname + gem.age;
console.log("我是" + gem.uname, gem.age + "岁");
